activated coal plough
activated coal plough
[′ak·tə‚vād·əd ′kōl ‚plau̇] (mining engineering)
A type of power-operated cutting blade used for coal seams too hard to be sheared by a normal blade.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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